Great product and very durable. Double walls make this product very durable and even the plastic portion and lid are pretty beefy. Love the stainless steel. No worries about it cracking melting or breaking.

This helps big you need to drink a smoothie later in the day. They stay cold for wire and not (especially if you have ice or frozen ingredients in your smoothie). Keeps shake cold for a couple hours. It says that it keeps cold up to 4 hours but it act...  Read More

This cup is phenomenal. Works great with my blender, easy to clean, and strong. Fits the bl450 - on the ninja website all of these cups have the same part number across their product line.

This on has ridges, but the edges are smooth and so much easier to clean. Easily cleans in the dishwasher. Use a bottle brush to get in those cracks.

This cup is only great for blending up materials that you don't care to see how blended they are. They aren't frozen at all an hour later, although still cold-ish. My thermal from starbucks is far better. While i wanted a cup to keep my smoothie cold,...  Read More